Новости из категории: astronet

Jupiter s Swimming Storm

Чт, Сентябрь 10, 2020 - 8:30

A bright storm head with a long turbulent wake swims across Jupiter in these sharp telescopic images of the Solar System's ruling gas giant. Captured on August 26, 28, and September 1 (left to right) the storm approximately doubles in length..

Photoelectric BVR_c observations of 24 classical Cepheids

Ср, Сентябрь 09, 2020 - 12:41

In June and September 2004, 673 photoelectric BVR_c brightness measurements were made for 24 Cepheids using the 60-cm reflector of Mt. Maidanak Observatory. $V$ light curves and $B-V$ and $V-R_c$ colour curves are presented.

Pleiades: The Seven Sisters Star Cluster

Ср, Сентябрь 09, 2020 - 8:30

Have you ever seen the Pleiades star cluster? Even if you have, you probably have never seen it as large and clear as this. Perhaps the most famous star cluster on the sky, the bright stars of the Pleiades can be seen without binoculars..

GW190521: Unexpected Black Holes Collide

Вт, Сентябрь 08, 2020 - 8:30

How do black holes like this form? The two black holes that spiraled together to produce the gravitational wave event GW190521 were not only the most massive black holes ever seen by LIGO and VIRGO so far, their masses -- 66 and 85..

The Milky Way over St Michaels Mount

Пн, Сентябрь 07, 2020 - 8:30

Where do land and sky converge? On every horizon -- but in this case the path on the ground leads to St Michael's Mount (Cornish: Karrek Loos yn Koos), a small historic island in Cornwall, England. The Mount is usually surrounded by..

M1: The Crab Nebula from Hubble

Вс, Сентябрь 06, 2020 - 8:30

This is the mess that is left when a star explodes. The Crab Nebula, the result of a supernova seen in 1054 AD, is filled with mysterious filaments. The filaments are not only tremendously...

A Falcon 9 Moon

Сб, Сентябрь 05, 2020 - 8:30

Illuminating planet Earth's night, full moons can have many names. This year the last full moon of northern hemisphere summer was on September 2, known to some as the Full Corn Moon.

Астрономическая неделя с 7 по 13 сентября 2020 года

Пт, Сентябрь 04, 2020 - 8:02

На данной неделе 7 сентября Луна (Ф= 0,79-) пройдет южнее Урана, а 8 сентября Луна (Ф= 0,65-) пройдет южнее Плеяд. 9 сентября наступит максимум..

The Wizard Nebula

Пт, Сентябрь 04, 2020 - 7:30

Open star cluster NGC 7380 is still embedded in its natal cloud of interstellar gas and dust popularly known as the Wizard Nebula. Seen on the left, with foreground and background stars along the plane of our Milky Way galaxy it lies some..

Discovery of five new eclipsing systems of W UMa type

Чт, Сентябрь 03, 2020 - 15:54

BVI_c CCD Observations of 164 RR Lyrae variables

Чт, Сентябрь 03, 2020 - 15:04

We present 4660 magnitude measurements in the B, V, and I_c filters acquired for 164 RR Lyrae stars.

Photometric observations of two type Ic-BL Supernovae: 2016coi and 2018ebt

Чт, Сентябрь 03, 2020 - 13:58

CCD BVRI photometry is presented for the type Ic-BL Supernovae 2016coi and 2018ebt. The shape of the light curves for both objects is typical for this class of SNe. A change of brightness decline rate at about 100 days after..